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Update userspace

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This commit is contained in:
Alex
2023-06-10 13:10:56 +03:00
parent ed5faa7b55
commit 22e75b9540
63 changed files with 2362 additions and 2151 deletions
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4
libc/runtime/Makefile
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@ -1,8 +1,8 @@
# Config file
include ../../../Makefile.conf
CC = ../../../$(TC_COMPILER_PATH)/$(TC_COMPILER_ARCH)gcc
AS = ../../../$(TC_COMPILER_PATH)/$(TC_COMPILER_ARCH)as
CC = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)gcc
AS = ../../../$(COMPILER_PATH)/$(COMPILER_ARCH)as
NASM = /usr/bin/nasm
C_SOURCES = $(shell find ./ -type f -name '*.c')

26
libc/runtime/crt0.S
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@ -1,26 +0,0 @@
# https://wiki.osdev.org/Creating_a_C_Library
.section .text
.global _start
_start:
movq $0, %rbp
pushq %rbp
pushq %rbp
movq %rsp, %rbp
pushq %rcx
pushq %rdx
pushq %rsi
pushq %rdi
call __libc_init
popq %rdi
popq %rsi
popq %rdx
popq %rcx
call main
movl %eax, %edi
call _exit
.size _start, . - _start

21
libc/runtime/crt0.c Normal file
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@ -0,0 +1,21 @@
// https://wiki.osdev.org/Creating_a_C_Library
#define asm __asm__ __volatile__
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
asm("movq $0, %rbp\n");
asm("pushq %rbp\n");
asm("pushq %rbp\n");
asm("movq %rsp, %rbp\n");
asm("pushq %rcx\n"
"pushq %rdx\n"
"pushq %rsi\n"
"pushq %rdi\n");
asm("call __libc_init\n");
asm("popq %rdi\n"
"popq %rsi\n"
"popq %rdx\n"
"popq %rcx\n");
asm("call main\n");
asm("movl %eax, %edi\n");
asm("call _exit\n");
}

26
libc/runtime/crt1.S
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@ -1,26 +0,0 @@
# https://wiki.osdev.org/Creating_a_C_Library
.section .text
.global _start
_start:
movq $0, %rbp
pushq %rbp
pushq %rbp
movq %rsp, %rbp
pushq %rcx
pushq %rdx
pushq %rsi
pushq %rdi
call __libc_init
popq %rdi
popq %rsi
popq %rdx
popq %rcx
call main
movl %eax, %edi
call _exit
.size _start, . - _start

21
libc/runtime/crt1.c Normal file
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@ -0,0 +1,21 @@
// https://wiki.osdev.org/Creating_a_C_Library
#define asm __asm__ __volatile__
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
asm("movq $0, %rbp\n");
asm("pushq %rbp\n");
asm("pushq %rbp\n");
asm("movq %rsp, %rbp\n");
asm("pushq %rcx\n"
"pushq %rdx\n"
"pushq %rsi\n"
"pushq %rdi\n");
asm("call __libc_init\n");
asm("popq %rdi\n"
"popq %rsi\n"
"popq %rdx\n"
"popq %rcx\n");
asm("call main\n");
asm("movl %eax, %edi\n");
asm("call _exit\n");
}